The metric type "1086 - Number of new dwellings completed as a percentage of total dwellings" value of 0.5 % for area England (Country) 2009/10 is calculated from:
115,080 divided by 22,839,000 multiplied by 100.0
"54 - Number of new dwellings completed - total" divided by "22 - Total number of dwellings in the area" multiplied by 100.0